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Hydrogen Cyanide (HCN)

Hydrogen Cyanide (HCN)

Hydrogen Cyanide (HCN) – also called hydrocyanic acid or formonitrile – is a chemical compound that can be found in either liquid or gaseous form. Widely used as an insecticide, it is also applied for fumigation applications in the chemical industry. It can be accidentally produced during chemical reactions between cyanide and an acid, or through fire and nitrile combustion.

Hydrogen Cyanide effects health

With variant colour from colourless to pale blue, hydrogen Cyanide (HCN) is easily detectable through its bitter almond smell. This highly toxic gas features many harmful or lethal properties. This chemical compound is extremely flammable with explosive limits between 5.6 and 40%.

CAS-Number: 74-90-8.


Compatible products

  • Sustainable

  • Single gas

UNI Sustainable icon arrow

The UNI Sustainable is a sustainable single gas detector that offers a simple portable solution for a wide array of toxic gases and O2 (oxygen) applications.

  • Many sensor options

  • Multi gas

POLI icon arrow

The WatchGas POLI in pumped version is an advanced instrument with an integrated pump that enables a full range of sensors for a variety of applications, including confined space entry.

safe area monitor
  • Safe area solution

  • Transportable

AirWatch Mk1.2 icon arrow

The AirWatch is your safe area solution for the monitoring of various gases. Based on the measurement values and alarms, equipment is switched on or off, data is logged and optionally employees are remotely informed of the gas concentrations present.

15J(win) / 30J(win) gas transmitter
  • Gas sensor

  • Gas transmitter

15J(win) / 30J(win) icon arrow

The 30J enclosure has been designed to allow quick and easy access to its interior by adjustment of two allen screws, this factor is a major consideration when large system service and calibrations are being carried out.